$66 Cheap Flights from Kansas City (MCI) to Washington (IAD)

View $66 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Kansas City International Airport (MCI) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Kansas City to Washington (MCI-IAD)

Prices were available within the past 7 days and start at $66 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 8 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Kansas City to Washington, returning Mon, Dec 15, priced at $110 found 1 day ago
Frontier Airlines
Fri, Dec 12 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$124 Roundtrip, found 1 day ago
$124
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Kansas City to Washington, returning Mon, Dec 15, priced at $124 found 1 day ago
Frontier Airlines
Fri, Dec 12 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Kansas City to Washington, returning Mon, Dec 15, priced at $162 found 1 day ago
Frontier Airlines
Mon, Dec 8 - Fri, Dec 12
MCI
Kansas City
IAD
Washington
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Kansas City to Washington, returning Fri, Dec 12, priced at $179 found 4 days ago
United
Sat, Dec 13 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$190 Roundtrip, found 9 hours ago
$190
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Dec 13 from Kansas City to Washington, returning Mon, Dec 15, priced at $190 found 9 hours ago
Frontier Airlines
Mon, Dec 15 - Thu, Dec 18
MCI
Kansas City
IAD
Washington
$196 Roundtrip, found 4 days ago
$196
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Kansas City to Washington, returning Thu, Dec 18, priced at $196 found 4 days ago
Delta
Sat, Dec 13 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$200 Roundtrip, found 9 hours ago
$200
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Dec 13 from Kansas City to Washington, returning Mon, Dec 15, priced at $200 found 9 hours ago
Frontier Airlines
Mon, Nov 24 - Mon, Dec 8
MCI
Kansas City
IAD
Washington
$200 Roundtrip, found 3 days ago
$200
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Kansas City to Washington, returning Mon, Dec 8, priced at $200 found 3 days ago
Southwest Airlines
Sat, Dec 13 - Mon, Dec 15
MCI
Kansas City
IAD
Washington
$213 Roundtrip, found 9 hours ago
$213
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Sat, Dec 13 from Kansas City to Washington, returning Mon, Dec 15, priced at $213 found 9 hours ago
American Airlines
Wed, Dec 17 - Tue, Jan 13
MCI
Kansas City
IAD
Washington
$289 Roundtrip, just found
$289
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 17 from Kansas City to Washington, returning Tue, Jan 13, priced at $289 just found

Find the cheapest month to fly from Kansas City (MCI) to Washington (IAD)

September is typically the cheapest month to fly

From $154 - $802 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $628
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $628
Flights from Kansas City (MCI) to Washington (IAD)
Origin airport
Kansas City Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$110
Distance
924 mi
Average flight time
3 hours 32 mins

Kansas City to Washington Flights

The cheapest times to fly from Kansas City to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kansas City to Washington are during the month of December. You can find some of the cheapest flights from Kansas City to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kansas City to Washington

Sunday is one of the best days to book for cheap flights from Kansas City to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kansas City to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kansas City to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $66 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kansas City to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kansas City to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $66 or cheap return flight from $110 from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
December is the cheapest month to fly from MCI to IAD. Planning your trip for the off-season is often the key to better flight prices.
Which airlines fly direct from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
Take a nonstop flight with United Airlines and fly straight from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MCI to IAD flight.
How many flights per day from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
On average, there is just 1 direct flight operating from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) each day. If this doesn't fit your plans, consider flights with a layover. Simply filter your search on Expedia to include one or more stops to discover the next best option.
What are the most popular departure times for flights from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
Flights between MCI and IAD are busiest at 12 PM. If you're after a more relaxed experience and possibly cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from MCI to IAD?
If you fly on a Sunday, you'll get the biggest range of options for flights from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
Hop on the earliest flight at around 8:00AM UTC-6, departing from Kansas City Intl. Airport (MCI). You'll be flying for roughly 2h 28m, coming in to land at Washington Dulles Intl. Airport (IAD) at approximately 11:28AM UTC-5.
How long does it take to fly from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
Flights from MCI to IAD have an average travel time of 2 hours and 29 minutes. The distance between the two airports is 930 mi.
What airline has the least delays from MCI to IAD?
Consider booking with United Airlines if you'd like to fly straight from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) without any delays. This airline has the strongest track record for punctuality, with an on-time score of 93%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Kansas City Intl. Airport (MCI)?
Touch down at one of these Washington airports following your direct flight from Kansas City Intl. Airport (MCI):

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from MCI to IAD are generally more expensive. For the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a MCI to IAD flight and hotel package?
Securing a MCI to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kansas City Intl. Airport (MCI) to Washington Dulles Intl. Airport (IAD)?
If you booked your MCI to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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